ALSA: pcm: Add snd_interval_ranges() and snd_pcm_hw_constraint_ranges()

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Add helper functions to allow drivers to specify several disjoint
ranges for a variable. In particular, there is a codec (PCM512x) that
has a hole in its supported range of rates, due to PLL and divider
restrictions.

This is like snd_pcm_hw_constraint_list(), but for ranges instead of
points.

Signed-off-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Peter Rosin 2015-01-28 15:16:06 +01:00 • committed by Mark Brown

parent ba5295e55d

commit f66f898e95

2 changed files with 97 additions and 0 deletions

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12

include/sound/pcm.h

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85

sound/core/pcm_lib.c

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